The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)

Postmetamorphic rays in Heliaster and Labidiaster originate in four `quadrants' between the five primary rays, and not normally in the madreporic interradius. The rays originate in one of two very definite sequences depending on the species. H. kubiniji and H. multiradiatus share one sequence,...

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Autor principal:	SANCHEZ R,PATRICIO
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2000
Materias:	Echinodermata development symmetry Heliaster Labidiaster
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400002
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spelling	oai:scielo:S0716-078X20000004000022001-04-09The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)SANCHEZ R,PATRICIO Echinodermata development symmetry Heliaster Labidiaster Postmetamorphic rays in Heliaster and Labidiaster originate in four `quadrants' between the five primary rays, and not normally in the madreporic interradius. The rays originate in one of two very definite sequences depending on the species. H. kubiniji and H. multiradiatus share one sequence, whereas H. canopus, H. helianthus and Labidiaster share the other sequence. Pycnopodia, Rathbunaster, Heliaster and Labidiaster add rays at far greater sizes and in a manner that is distinctive from other multiradiate starfish, possibly indicating a new taxonomic unitinfo:eu-repo/semantics/openAccessSociedad de Biología de ChileRevista chilena de historia natural v.73 n.4 20002000-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400002en10.4067/S0716-078X2000000400002
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Echinodermata development symmetry Heliaster Labidiaster
spellingShingle	Echinodermata development symmetry Heliaster Labidiaster SANCHEZ R,PATRICIO The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)
description	Postmetamorphic rays in Heliaster and Labidiaster originate in four `quadrants' between the five primary rays, and not normally in the madreporic interradius. The rays originate in one of two very definite sequences depending on the species. H. kubiniji and H. multiradiatus share one sequence, whereas H. canopus, H. helianthus and Labidiaster share the other sequence. Pycnopodia, Rathbunaster, Heliaster and Labidiaster add rays at far greater sizes and in a manner that is distinctive from other multiradiate starfish, possibly indicating a new taxonomic unit
author	SANCHEZ R,PATRICIO
author_facet	SANCHEZ R,PATRICIO
author_sort	SANCHEZ R,PATRICIO
title	The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)
title_short	The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)
title_full	The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)
title_fullStr	The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)
title_full_unstemmed	The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)
title_sort	sequence of origin of the postmetamorphic rays in heliaster and labidiaster (echinodermata: asteroidea)
publisher	Sociedad de Biología de Chile
publishDate	2000
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400002
work_keys_str_mv	AT sanchezrpatricio thesequenceoforiginofthepostmetamorphicraysinheliasterandlabidiasterechinodermataasteroidea AT sanchezrpatricio sequenceoforiginofthepostmetamorphicraysinheliasterandlabidiasterechinodermataasteroidea
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The sequence of origin of the postmetamorphic rays in Heliaster and Labidiaster (Echinodermata: Asteroidea)

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